An Investigator Repeatedly Plays a Recording of the Sound "Ba

question 46

Multiple Choice

An investigator repeatedly plays a recording of the sound "ba" while checking the rate that an infant sucks on a nipple. After the infant's rate of sucking decreases, the investigator switches to the sound "pa." What is the investigator probably trying to determine?

• A) Which of the two sounds does an infant like best?
• B) Can the infant detect the difference between the two sounds?
• C) Does the infant copy the sounds it hears?
• D) What is the capacity of an infant's short-term memory?

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Definitions:

Marginal Utility

The heightened satisfaction or value achieved by consuming one additional unit of a product or service.

Criminal Behavior

Conduct by an individual that violates societal laws and is subject to sanctions and legal penalties.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 1 represents certainty.

Marginal Utility

The additional satisfaction or benefit one receives from consuming one more unit of a good or service.